Question

Write any one solution of the equation
2x-y+1=0​

Answer 1

x + 2y = 7.

Substituting x = 1 and y = 3

L.H.S = 1 + 2(3) = 7 = R.H.S

∴ x = 1 and y = 3 is the solution of x + 2y = 7